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Trouble Shooting Guide
TROUBLE! TOOL WILL NOT START
WHAT’S WRONG? WHAT TO DO…
1. Tool not plugged in. 1.Plug in saw.
2. Fuse blown or circuit breaker tripped. 2.Replace fuse or reset circuit breaker.
3. Cord damaged. 3.Have cord replaced by authorized service center.
4. Brushes worn out. 4.Have brushes replaced by qualified service person.
TROUBLE! TOOL MAKES UNSATISFACTORY CUTS
WHAT’S WRONG? WHAT TO DO…
1. Glazed wheel. 1.Dress the wheel or replace with a new one.
2. Workpiece incorrectly placed or clamped. 2.Firmly clamp and support workpiece.
TROUBLE! BLADE DOES NOT COME UP TO SPEED
WHAT’S WRONG? WHAT TO DO…
1. Extension cord too light or too long. 1.Replace with adequate size cord. See chart on page 2.
2. Low voltage. 2.Contact your electric company.
3. Low generator voltage. 3.Check generator output voltage. Reduce number of tools powered by the generator.
TROUBLE! TOOL VIBRATES EXCESSIVELY DURING CUT
WHAT’S WRONG? WHAT TO DO…
1. Tool not mounted securely to stand or work bench. 1.Tighten all mounting hardware. See page 5, Procedures for Permanent Mounting.
2. Damaged wheel. 2.Replace wheel.
3. Workpiece not clamped properly. 3.Refer to Material Clamping and Supporting page 4.
TROUBLE! DOES NOT MAKE ACCURATE CUTS
WHAT’S WRONG? WHAT TO DO…
1. Fence not adjusted correctly. 1.Check and adjust. See Fence Operation on page 5.
2. Wheel is not square to fence. 2.Check and adjust.
3. Excessive force used to make cut. 3.Reduce cutting force, let the wheel do the work.
4. Work piece moving. 4.Clamp workpiece securely. See Material Clamping and Supporting page 4. Make sure
material is laying flat against the base.
TROUBLE! CANNOT MOVE ARM
WHAT’S WRONG? WHAT TO DO…
1. Auto-retracting wheel guard will not move. 1.Check for damaged parts. Check for excessive chips in guard. Replace or repair as needed.
2. Chain is engaged. 2.Push down slightly on the arm, remove chain from pin. Raise arm.
TROUBLE! MATERIAL MOVES DURING CUT
WHAT’S WRONG? WHAT TO DO…
1. Fence slipping or workpiece incorrectly placed or clamped. 1.See Material Clamping and Supporting, page 4.
2. Vise too loose 2.Tighten vise clamping.
3. Excessive cutting force. 3.Reduce cutting force.
383823-01/DW870 5/3/02 1:33 PM Page 11